Results 1 to 10 of about 22,937,031 (254)

On Haar systems for groupoids

Zeitschrift für Analysis und ihre Anwendungen, 2017
It is shown that a locally compact groupoid with open range map does not always admit a Haar system. It then is shown how to construct a Haar system if the stability groupoid and the quotient by the stability groupoid both admit ...
Deitmar, Anton
core   +2 more sources

Multipliers on bi-parameter Haar system Hardy spaces. [PDF]

Math Ann
AbstractLet $$(h_I)$$ ( h I ) denote the standard Haar system on [0, 1], indexed by $$I\in \mathcal {D}$$ I ∈
Lechner R, Motakis P, Müller PFX, Schlumprecht T.   +3 more
europepmc   +5 more sources

Haar wavelet method for solution of variable order linear fractional integro-differential equations

AIMS Mathematics, 2022
In this paper, we developed a computational Haar collocation scheme for the solution of fractional linear integro-differential equations of variable order. Fractional derivatives of variable order is described in the Caputo sense.
Rohul Amin , Kamal Shah , Hijaz Ahmad, Abdul Hamid Ganie, Abdel-Haleem Abdel-Aty, Thongchai Botmart   +5 more
doaj   +1 more source

Numerical Solution for Linear State Space Systems using Haar Wavelets Method

مجلة بغداد للعلوم, 2022
In this research, Haar wavelets method has been utilized to approximate a numerical solution for Linear state space systems. The solution technique is used Haar wavelet functions and Haar wavelet operational matrix with the operation to transform the ...
Waleeda swaidan ali, Haleema S. Ali
doaj   +1 more source

Solution of the Systems of Delay Integral Equations in Heterogeneous Data Communication through Haar Wavelet Collocation Approach

Complexity, 2021
In this work, the Haar collocation scheme is used for the solution of the class of system of delay integral equations for heterogeneous data communication. The Haar functions are considered for the approximation of unknown function.
Hualing Wu, Rohul Amin, Asmatullah Khan, Shah Nazir, Sultan Ahmad   +4 more
doaj   +1 more source

Wavelet p-analogs of the discrete Haar transform [PDF]

Известия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2021
Two $p$-analogs (for $p>2$) of the discrete version of the Haar system in vector symbolism are proposed and fast algorithms are constructed based on them.
Bespalov, Mikhail S.
doaj   +1 more source

Continuity of the dual Haar measure

Comptes Rendus. Mathématique, 2021
Given a continuous field of locally compact groups, we show that the field of the Plancherel weights of their C*-algebras is lower semi-continuous. As a corollary, we obtain that the dual Haar system of a continuous Haar system of a locally compact ...
Renault, Jean
doaj   +1 more source

A comparative study for fractional chemical kinetics and carbon dioxide CO₂ absorbed into phenyl glycidyl ether problems

AIMS Mathematics, 2020
The essential objective of this work is to implement Adam Bashforth’s Moulton (ABM) and Haar wavelet method (HWM) to solve fractional chemical kinetics and another problem that relates the condensations of carbon dioxide (CO2) and phenyl glycidyl ether ...
Ranbir Kumar, Sunil Kumar, Jagdev Singh, Zeyad Al-Zhour   +3 more
doaj   +1 more source

Iris Recognition Using Wavelet Transform and Artificial Neural Networks [PDF]

Engineering and Technology Journal, 2015
In this approach to get more accuracy of the iris recognition, is composed of many steps: capturing the iris image, determining the location of the iris boundaries, normalization, preprocessed using median filter to remove noise, using wavelet transform ...
Hadeel N. Abdullah, Ahmed A. Abdullah
doaj   +1 more source

FOURIER COEFFICIENTS OF CONTINUOUS FUNCTIONS WITH RESPECT TO LOCALIZED HAAR SYSTEM

Проблемы анализа, 2017
We construct a nontrivial example of a continuous function f* on [0, 1]² which is orthogonal to tensor products of Haar functions supported on intervals of the same length.
E. S. Belkina, Yu. V. Malykhin
doaj   +1 more source